It was a great 2013 for the marathon.
He will move up to the 26.2-mile distance next spring in London.
They have to complete two marathons in the span of just 16 days.
She completed the feat by running two on Sunday.
Denny Fryman, 65, wants to finish 1,000 before he turns 70.
Adding a race or two at the end of your season can be fun, but you have to do it right.
Leo Lightner started running in his 50s and now competes in marathons and ultramarathons.
Her record-setting time came 10 years ago this month.
Cancellation comes after a runner died during last week's half-marathon.
Deena Kastor is ranked second.